20665830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{688861}}^1$

素因数の和:688871

約数の個数: 16

約数和(自身を含む): 49598064

約数和(自身を除く): 28932234

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 688861, 1377722, 2066583, 3444305, 4133166, 6888610, 10332915, 20665830]

約数ペア:

[(1, 20665830), (2, 10332915), (3, 6888610), (5, 4133166), (6, 3444305), (10, 2066583), (15, 1377722), (30, 688861)]